package com.gm.config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.servlet.Servlet;
import javax.sql.DataSource;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

/**
 * @Author Administrator
 * @Date 2020/6/17 14:17
 **/
@Configuration
public class MyDruidConfig {
    @ConfigurationProperties(prefix = "spring.datasource")
    @Bean
    public DataSource druid(){
        return new DruidDataSource();
    }

    //配置Druid的监控
    //1.配置一个管理后台的servlet
    @Bean
    public ServletRegistrationBean<StatViewServlet> statViewServlet() {
        ServletRegistrationBean<StatViewServlet> bean = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*");
        Map<String, String> initParams = new HashMap<>();
        initParams.put("loginUsername", "admin");
        initParams.put("loginPassword", "admin");
        initParams.put("allow", "");//默认就是代表了允许所有访问
        initParams.put("deny", "127.0.0.1");
        bean.setInitParameters(initParams);
        return bean;
    }
    //2.配置一个web监控的filter
    @Bean
    public FilterRegistrationBean<WebStatFilter> webStatFilter(){
        FilterRegistrationBean<WebStatFilter> bean =new FilterRegistrationBean<>();
        bean.setFilter(new WebStatFilter());
        bean.setUrlPatterns(Arrays.asList("/*"));
        Map<String,String> initParams = new HashMap<>();
        initParams.put("exclusions","*.js,*.css,/druid/*");
        bean.setInitParameters(initParams);
        return bean;
        }

}
